frostweed
English
Verbesina virginica
Helianthemum nummularium
Etymology
frost + weed. Late in autumn, crystals of ice shoot from the cracked bark at the root.
Noun
frostweed (countable and uncountable, plural frostweeds)
- An American species of rockrose (Crocanthemum canadense, syn. Helianthemum canadense).
- Verbesina virginica (white crownbeard)
Synonyms
- frostwort